Masslessness

//ˈmæs.lɪs.nɪs// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Absence of mass; the state or condition of being massless. uncountable

Etymology

From massless + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.